The IP address 166.42.78 is provided by MCI, it's belong to the CDIR (Classless Inter-Domain Routing) 166.32.0.0/12 (range 166.32.0.0 to 166.47.255.255). The autonomous system number (ASN) is 3371.
| ASN | 3371 |
| IP starting by | 166.32.0.0 |
| IP ending by | 166.47.255.255 |
| ASN Name | MCI |
| CDIR | 166.32.0.0/12 |
| Numerical IP | |
| Registry | arin |
| Last update | 06/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Dulles | 38.9517 | -77.4481 | 2017-08-05 |
| MaxMind | US | United States | - | Ashburn | 39.018 | -77.539 | 2017-08-05 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.42.78.0 | 2787790336 | 0 |
| 166.42.78.1 | 2787790337 | 0 |
| 166.42.78.2 | 2787790338 | 0 |
| 166.42.78.3 | 2787790339 | 0 |
| 166.42.78.4 | 2787790340 | 0 |
| 166.42.78.5 | 2787790341 | 0 |
| 166.42.78.6 | 2787790342 | 0 |
| 166.42.78.7 | 2787790343 | 0 |
| 166.42.78.8 | 2787790344 | 0 |
| 166.42.78.9 | 2787790345 | 0 |
| 166.42.78.10 | 2787790346 | 0 |
| 166.42.78.11 | 2787790347 | 0 |
| 166.42.78.12 | 2787790348 | 0 |
| 166.42.78.13 | 2787790349 | 0 |
| 166.42.78.14 | 2787790350 | 0 |
| 166.42.78.15 | 2787790351 | 0 |
| 166.42.78.16 | 2787790352 | 0 |
| 166.42.78.17 | 2787790353 | 0 |
| 166.42.78.18 | 2787790354 | 0 |
| 166.42.78.19 | 2787790355 | 0 |
| 166.42.78.20 | 2787790356 | 0 |
| 166.42.78.21 | 2787790357 | 0 |
| 166.42.78.22 | 2787790358 | 0 |
| 166.42.78.23 | 2787790359 | 0 |
| 166.42.78.24 | 2787790360 | 0 |
| 166.42.78.25 | 2787790361 | 0 |
| 166.42.78.26 | 2787790362 | 0 |
| 166.42.78.27 | 2787790363 | 0 |
| 166.42.78.28 | 2787790364 | 0 |
| 166.42.78.29 | 2787790365 | 0 |
| 166.42.78.30 | 2787790366 | 0 |
| 166.42.78.31 | 2787790367 | 0 |
| 166.42.78.32 | 2787790368 | 0 |
| 166.42.78.33 | 2787790369 | 0 |
| 166.42.78.34 | 2787790370 | 0 |
| 166.42.78.35 | 2787790371 | 0 |
| 166.42.78.36 | 2787790372 | 0 |
| 166.42.78.37 | 2787790373 | 0 |
| 166.42.78.38 | 2787790374 | 0 |
| 166.42.78.39 | 2787790375 | 0 |
| 166.42.78.40 | 2787790376 | 0 |
| 166.42.78.41 | 2787790377 | 0 |
| 166.42.78.42 | 2787790378 | 0 |
| 166.42.78.43 | 2787790379 | 0 |
| 166.42.78.44 | 2787790380 | 0 |
| 166.42.78.45 | 2787790381 | 0 |
| 166.42.78.46 | 2787790382 | 0 |
| 166.42.78.47 | 2787790383 | 0 |
| 166.42.78.48 | 2787790384 | 0 |
| 166.42.78.49 | 2787790385 | 0 |
| 166.42.78.50 | 2787790386 | 0 |
| 166.42.78.51 | 2787790387 | 0 |
| 166.42.78.52 | 2787790388 | 0 |
| 166.42.78.53 | 2787790389 | 0 |
| 166.42.78.54 | 2787790390 | 0 |
| 166.42.78.55 | 2787790391 | 0 |
| 166.42.78.56 | 2787790392 | 0 |
| 166.42.78.57 | 2787790393 | 0 |
| 166.42.78.58 | 2787790394 | 0 |
| 166.42.78.59 | 2787790395 | 0 |
| 166.42.78.60 | 2787790396 | 0 |
| 166.42.78.61 | 2787790397 | 0 |
| 166.42.78.62 | 2787790398 | 0 |
| 166.42.78.63 | 2787790399 | 0 |
| 166.42.78.64 | 2787790400 | 0 |
| 166.42.78.65 | 2787790401 | 0 |
| 166.42.78.66 | 2787790402 | 0 |
| 166.42.78.67 | 2787790403 | 0 |
| 166.42.78.68 | 2787790404 | 0 |
| 166.42.78.69 | 2787790405 | 0 |
| 166.42.78.70 | 2787790406 | 0 |
| 166.42.78.71 | 2787790407 | 0 |
| 166.42.78.72 | 2787790408 | 0 |
| 166.42.78.73 | 2787790409 | 0 |
| 166.42.78.74 | 2787790410 | 0 |
| 166.42.78.75 | 2787790411 | 0 |
| 166.42.78.76 | 2787790412 | 0 |
| 166.42.78.77 | 2787790413 | 0 |
| 166.42.78.78 | 2787790414 | 0 |
| 166.42.78.79 | 2787790415 | 0 |
| 166.42.78.80 | 2787790416 | 0 |
| 166.42.78.81 | 2787790417 | 0 |
| 166.42.78.82 | 2787790418 | 0 |
| 166.42.78.83 | 2787790419 | 0 |
| 166.42.78.84 | 2787790420 | 0 |
| 166.42.78.85 | 2787790421 | 0 |